Answer:
negative, positive
Step-by-step explanation:
A we know that the electrons have a negative charge. 
So, when a body has some excess electrons, it means it has negative charge. 
When a body has an deficiency of eletrons, it means it gains a positive charge. 
An area with excess electrons has a net _negative__ charge; an area with a deficit of electrons has a net _Positive____ charge.